/*base.css主要用于定义一些通用的样式*/
*{
	margin: 0;
	padding: 0;
	/*去掉点击高亮效果-主要针对移动端*/
	-webkit-tap-highlight-color:transparent;
	/*设置元素宽高计算方式*/
	box-sizing:border-box;
	-webkit-box-sizing:border-box;
}
/*设置统一的字体*/
body{
	font-size: 14px;
	font-family: "微软雅黑";
	color: #333;
	max-width: 640px;
	min-width: 320px;
	margin:auto;
}
a{
	color: #333;
	text-decoration: none;/*去掉下划线*/
}
a:hover{
	text-decoration: none;
}
/*重置input样式*/
input{
	border: none;
	outline: none;/*去掉选中状态下的高亮效果*/
	-webkit-appearance:none;/*清除移动端默认的表单样式*/
}
ul,li{
	list-style-type: none;/*去掉列表样式*/
}
.box_bg{
	width: 100%;
	height:640px;
	background-color: rgba(0,0,0,0.8);
}
h1{
	color: white;
	text-align: center;
}
.yard{
	width:246px;
	height:246px;
	/*border:1px solid red;*/
	background-color: white;
	margin:auto;
	margin-top:20px;
	border-radius: 10px;
	background-image: url(../images/微博扫码.jpg); 
	background-repeat: no-repeat;
}
.box_text{
	width: 350px;
	height: 60px;
	margin:auto;
	margin-top: 30px;
	border-radius: 10px;
	background-color: rgba(0,0,0,0.8);
}
.box_text>span{
	color: white;
	font-size: 15px;
	
}
span{
	text-align: center;
}
.box_text>p{
	color: white;
	font-size: 1px;
	text-align: center;
}